162630623426 has 4 divisors (see below), whose sum is σ = 243945935142. Its totient is φ = 81315311712.

The previous prime is 162630623417. The next prime is 162630623429. The reversal of 162630623426 is 624326036261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 624326036261 = 29 ⋅21528484009.

It can be written as a sum of positive squares in only one way, i.e., 162288928201 + 341695225 = 402851^2 + 18485^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (162630623429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40657655855 + ... + 40657655858.

Almost surely, 2^162630623426 is an apocalyptic number.

162630623426 is a deficient number, since it is larger than the sum of its proper divisors (81315311716).

162630623426 is an equidigital number, since it uses as much as digits as its factorization.

162630623426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81315311715.

The product of its (nonzero) digits is 373248, while the sum is 41.

Adding to 162630623426 its reverse (624326036261), we get a palindrome (786956659687).

The spelling of 162630623426 in words is "one hundred sixty-two billion, six hundred thirty million, six hundred twenty-three thousand, four hundred twenty-six".